United Flight 4353 Deals & Information (2026/2027)

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United Flight 4353 Route Deals From $224

The cheapest prices found with in the last 7 days for return flights were $201 and $224 for one-way flights to Buffalo Niagara Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 26 - Sat, May 30
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$201 Roundtrip, found 5 days ago
$201
Roundtrip
found 5 days ago
Select United flight, departing Tue, May 26 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sat, May 30, priced at $201 found 5 days ago
Tue, Apr 21 - Tue, May 12
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$206 Roundtrip, found 5 days ago
$206
Roundtrip
found 5 days ago
Select United flight, departing Tue, Apr 21 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Tue, May 12, priced at $206 found 5 days ago
Tue, Apr 21 - Tue, May 12
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$218 Roundtrip, found 5 days ago
$218
Roundtrip
found 5 days ago
Select United flight, departing Tue, Apr 21 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Tue, May 12, priced at $218 found 5 days ago
Fri, May 15 - Sun, May 17
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$221 Roundtrip, found 1 day ago
$221
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 15 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, May 17, priced at $221 found 1 day ago
Sat, May 9 - Sun, May 10
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$227 Roundtrip, found 5 days ago
$227
Roundtrip
found 5 days ago
Select United flight, departing Sat, May 9 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, May 10, priced at $227 found 5 days ago
Sat, May 30 - Sun, May 31
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$228 Roundtrip, found 23 hours ago
$228
Roundtrip
found 23 hours ago
Select United flight, departing Sat, May 30 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, May 31, priced at $228 found 23 hours ago
Thu, May 28 - Tue, Jun 2
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$229 Roundtrip, found 5 days ago
$229
Roundtrip
found 5 days ago
Select United flight, departing Thu, May 28 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Tue, Jun 2, priced at $229 found 5 days ago
Thu, Jun 4 - Sun, Jun 7
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$231 Roundtrip, found 4 days ago
$231
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jun 4 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, Jun 7, priced at $231 found 4 days ago
Wed, Apr 22 - Wed, May 13
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 22 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Wed, May 13, priced at $234 found 1 day ago
Fri, May 15 - Mon, May 18
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 15 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Mon, May 18, priced at $234 found 1 day ago
Tue, Apr 21 - Tue, May 12
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$235 Roundtrip, found 5 days ago
$235
Roundtrip
found 5 days ago
Select United flight, departing Tue, Apr 21 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Tue, May 12, priced at $235 found 5 days ago
Sat, Apr 18 - Sun, Apr 19
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$236 Roundtrip, found 5 days ago
$236
Roundtrip
found 5 days ago
Select United flight, departing Sat, Apr 18 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, Apr 19, priced at $236 found 5 days ago
Fri, Mar 27 - Sun, Mar 29
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$241 Roundtrip, found 5 days ago
$241
Roundtrip
found 5 days ago
Select United flight, departing Fri, Mar 27 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, Mar 29, priced at $241 found 5 days ago
Tue, Apr 21 - Tue, May 12
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$247 Roundtrip, found 5 days ago
$247
Roundtrip
found 5 days ago
Select United flight, departing Tue, Apr 21 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Tue, May 12, priced at $247 found 5 days ago
Sat, May 30 - Tue, Jun 2
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$249 Roundtrip, found 12 hours ago
$249
Roundtrip
found 12 hours ago
Select United flight, departing Sat, May 30 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Tue, Jun 2, priced at $249 found 12 hours ago
Wed, May 20 - Wed, May 27
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 20 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Wed, May 27, priced at $251 found 1 day ago
Wed, Apr 22 - Tue, May 12
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 22 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Tue, May 12, priced at $264 found 1 day ago
Thu, Jun 4 - Sun, Jun 7
IAD
Washington Dulles Intl.
BUF
Buffalo Niagara Intl.
$268 Roundtrip, found 4 days ago
$268
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jun 4 from Washington Dulles Intl. to Buffalo Niagara Intl., returning Sun, Jun 7, priced at $268 found 4 days ago

Frequently asked questions

What route does flight number UA4353 take?
UA4353 is used on multiple routes, but the most common is between COD and Denver Intl. Airport (DEN). If you're lucky enough to score a direct flight, you'll touch down in roughly 1 hour and 33 minutes. Multi-stop flights can also operate under this number, as can flights on other routes.
What kind of plane is on flight number UA4353?
UA4353 is a flight number that's used on a number of different routes. If you're traveling on its most popular route, Yellowstone Regional Airport (COD) to DEN, there's every chance you'll be hopping aboard an Embraer ERJ.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA4353 flight with Travelocity, please visit our Customer Service Portal.